#include <stdio.h>

/*
int num = 10;

int main()
{
    int num = 1;    //局部优先，就近原则
    printf("%d",num);

    return 0;
}
*/

//小飞机

/*
int main()
{
    printf("     **    \n");
    printf("     **    \n");
    printf("************\n");
    printf("************\n");
    printf("    *  *   \n");
    printf("    *  *   \n");
    return 0;
}
*/

//计算
/*
int  main()
{
    int a = 40;
    int c = 212;

    int sum = (-8 + 22)*a - 10 + c/2;
    printf("sum=%d",sum);

    return 0;
}
*/
int main()
{
    
    return 0;
}